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and collegiate level and possibly even younger players. more than 4,000 former players are suing the nfl for head injuries and the risked they face. we get more on this study from its lead author dr. gary small professor of aging and director of the longevity center at ucla and author of the book the alzheimers prevention program. he joins us from new york. doctor, why is it important to be able to look at living players rather than at autopsies? what's the significance? >> generally the brain gets damaged gradually over time. what our hope is to problems early on so we can protect a healthy brain rather than wait until there's extensive damage. >> brown: just fill in the picture a little bit for us in lehman's terms. what is it that you're looking at in the brain? what do you look for after there's been concussion or repeated hits? >> what we're looking for are tiny abnormal protein deposits that collect in areas of the brain that control muscle movement, that control mood, control thinking and memory. and what we've done is studied this extensively in alzheimers patients. now for the first time
on concussions, showing the impact of hard hits on the brains of living but retired n.f.l. players. >> i go through stages where i think how come i can't remember that and i always wondered are these age-related or are they conclusion related?
suffered from c.t.e., a degenerative brain illness. the n.f.l. already faces scores of suits over player concussions. notre dame star linebacker manti te'o now says he kept saying he'd had an online girlfriend, after learning she did not exist. in an interview, te'o told abc's katie couric that he thought lennay kekua had died in september. instead, he said, he found out it was all a hoax, just days before the heisman trophy announcement. >> katie, put yourself in my situation. this girl, who i committed myself to, died on september 12. now i get a phone call on december 6, saying that she's alive, and then i'm going to be put on national tv two days later, and they ask me about the same questions. you know, what would you do? >> sreenivasan: te'o ultimately did not win the heisman, but he did answer questions about his girlfriend, without ever saying there'd been a hoax. today, he insisted he played no part in the hoax. wall street climbed again today, based partly on strong earnings at google and i.b.m. the dow jones industrial average gained nearly 67 points to close at 13,779. the n
Search Results 0 to 4 of about 5 (some duplicates have been removed)

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